EP2356653A1 - Appareil et procédé de génération de signal multicanal - Google Patents

Appareil et procédé de génération de signal multicanal

Info

Publication number
EP2356653A1
EP2356653A1 EP09824456A EP09824456A EP2356653A1 EP 2356653 A1 EP2356653 A1 EP 2356653A1 EP 09824456 A EP09824456 A EP 09824456A EP 09824456 A EP09824456 A EP 09824456A EP 2356653 A1 EP2356653 A1 EP 2356653A1
Authority
EP
European Patent Office
Prior art keywords
signal
location data
dependence
audio signal
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09824456A
Other languages
German (de)
English (en)
Other versions
EP2356653A4 (fr
EP2356653B1 (fr
Inventor
Juha OJANPERÄ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Oyj filed Critical Nokia Oyj
Publication of EP2356653A1 publication Critical patent/EP2356653A1/fr
Publication of EP2356653A4 publication Critical patent/EP2356653A4/fr
Application granted granted Critical
Publication of EP2356653B1 publication Critical patent/EP2356653B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space

Abstract

L’appareil selon l’invention comprend un processeur conçu pour recevoir un premier signal audio et des premières données d'emplacement, les premières données d'emplacement concernant un emplacement d'une source du premier signal audio, pour recevoir un second signal audio et des secondes données d'emplacement, les secondes données d'emplacement concernant un emplacement d'une source du second signal audio, pour recevoir des données d'emplacement sélectionnées concernant un emplacement sélectionné et pour générer un signal multicanal en fonction des premier et second signaux audio, des premières et secondes données d'emplacement et des données d'emplacement sélectionnées.
EP09824456.9A 2008-11-10 2009-09-03 Appareil et procédé de génération de signal multicanal Active EP2356653B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/291,457 US8861739B2 (en) 2008-11-10 2008-11-10 Apparatus and method for generating a multichannel signal
PCT/FI2009/050704 WO2010052365A1 (fr) 2008-11-10 2009-09-03 Appareil et procédé de génération de signal multicanal

Publications (3)

Publication Number Publication Date
EP2356653A1 true EP2356653A1 (fr) 2011-08-17
EP2356653A4 EP2356653A4 (fr) 2016-09-14
EP2356653B1 EP2356653B1 (fr) 2019-12-18

Family

ID=42152535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09824456.9A Active EP2356653B1 (fr) 2008-11-10 2009-09-03 Appareil et procédé de génération de signal multicanal

Country Status (3)

Country Link
US (1) US8861739B2 (fr)
EP (1) EP2356653B1 (fr)
WO (1) WO2010052365A1 (fr)

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Also Published As

Publication number Publication date
EP2356653A4 (fr) 2016-09-14
EP2356653B1 (fr) 2019-12-18
US8861739B2 (en) 2014-10-14
WO2010052365A1 (fr) 2010-05-14
US20100119072A1 (en) 2010-05-13

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